#2661 · 🦋 butterflies & moths
Brown Hairstreak
🇳🇱 Sleedoornpage ·Thecla betulae
📍 Noordoostelijk van Schaarsbergen, Arnhem, Nederland
📍 Noordoostelijk van Schaarsbergen, Arnhem, Nederland
📍 Wageningen, Nederland
📍 Arnhem
📍 Ede, Gelderland, Netherlands
📍 Cuijk, Noord-Brabant, Netherlands
10 photos from iNaturalist (Creative Commons) · credits & licences
- 1. © Paul Cools · CC BY-NC 4.0
- 2. © Lola Smirnova · CC BY-NC 4.0
- 3. © Татьяна · CC BY-NC 4.0
- 4. © Jakob Jilg · CC BY-NC 4.0
- 5. Noordoostelijk van Schaarsbergen, Arnhem, Nederland:© Chris van Swaay · CC BY-NC 4.0
- 6. Noordoostelijk van Schaarsbergen, Arnhem, Nederland:© Chris van Swaay · CC BY-NC 4.0
- 7. Wageningen, Nederland:© André Nagelhout · CC BY-NC 4.0
- 8. Arnhem:© mtalens · CC BY-NC 4.0
- 9. Ede, Gelderland, Netherlands:© Chris van Swaay · CC BY-NC 4.0
- 10. Cuijk, Noord-Brabant, Netherlands:© Chris van Swaay · CC BY-NC 4.0
what is it?
The brown hairstreak ( Thecla betulae ) is a butterfly in the family Lycaenidae. The range includes most of the Palaearctic.
base stats
Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).
fun facts
- Spotted 82 times in the Netherlands on iNaturalist.
- 5,708 observations worldwide on iNaturalist.
- Scientifically named in 1758 (268 years ago).
fact sheet
- English
- Brown Hairstreak
- Nederlands
- Sleedoornpage
- scientific name
- Thecla betulae
- class
- Insecta
- order
- Lepidoptera
- family
- Lycaenidae
- IUCN Red List
- LC · least concern
- sightings in NL
- 82
- sightings in Europe
- 5,066
- sightings worldwide
- 5,708
- GBIF records in NL
- 14,722
- weight
- —
- length
- —
- lifespan
- —
- named
- 1758
IUCN in Dutch: niet bedreigd. Blank means the sources don't say.
relatives· Lycaenidae
#2391 📷 7Small Copper
🇳🇱 Kleine vuurvlinder
Lycaena phlaeas
👀 2.1k in NL
#2394 📷 8Common Blue
🇳🇱 Icarusblauwtje
Polyommatus icarus
👀 1.8k in NL
#2400 📷 8Holly Blue
🇳🇱 Boomblauwtje
Celastrina argiolus
👀 1.4k in NL
#2422 📷 10Brown Argus
🇳🇱 Bruin blauwtje
Aricia agestis
👀 647 in NL
#2475 📷 7Silver-studded Blue
🇳🇱 Heideblauwtje
Plebejus argus
👀 318 in NL
#2517 📷 10Purple hairstreak
🇳🇱 Eikenpage
Favonius quercus
LC 👀 196 in NL
#2539 📷 10Green Hairstreak
🇳🇱 Groentje
Callophrys rubi
👀 172 in NL
#2566 📷 10Sooty Copper
🇳🇱 Bruine Vuurvlinder
Lycaena tityrus
LC 👀 148 in NL
Sources: iNaturalist taxon 362091, Wikidata Q1049370, GBIF 1930110, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.